PADI Scuba Diving - Section 4 question n answers graded A+

PADI Scuba Diving - Section 4What are five uses for a surface float? - correct answer Resting, marking a dive site, assisting another diver, carrying things, and supporting a dive flag What do you do to avoid entanglement in a line connected to a surface float? - correct answer carry the line on. reel or line caddie Why should you use a dive flag when diving? - correct answer to warn off boaters local law may require it How close should you stay to a dive flag, and how far should boats, skiers, and water craft stay away if there are no local laws governing these distances? - correct answer Divers: within 50 feet Boats, etc.: 100 to 200 feet away What three features does a typical collecting bag have, and why would you have a collecting bag? - correct answer made from mesh nylon a wire frame have a lock so they stay shut You might take an underwater light on a dive during the day for what two reasons? - correct answer illuminating and restoring color at depth and looking into dark cracks and crevices What are two reasons for carrying an underwater slate as a regular part of your dive gear? - correct answer for communication and general information like time and depth limits Why should you take a spare-parts kit with you when you dive? - correct answer so you minimize the probability of missing dives due to minor problems like a broken fin strap What do you put n a spare-parts kit? - correct answer sundries that wear out, break or vanish at the worst time, and storing them with a few basic tools, in a moisture proof container There are three primary reasons for keeping a log book. What are they? - correct answer to remember your dive experiences, to document your histor as a diver, and to note specific details about a dive site for future reference What three substances should avoid using prior to diving? - correct answer Alcohol, drugs, smoking how often it is it recommended that you have a complete physical examination by a physician? - correct answer two years what to immunizations should divers keep up to date? - correct answer typhoid and tetanus what can you do to maintain your dive skills, or restore them after inactivity? - correct answer being active diver, continue your dive education, participate in special diving activities what affect does menstruation have on diving? - correct answer nothing really, if you can do normal activities then you can dive Why is it recommended that pregnant women not dive? - correct answer there is little known about the effects of diving on a developing fetus What two primary gases make up air? - correct answer nitrogen and oxygen What are five possible symptoms of contaminated air? - correct answer headaches, nausea, dizziness, unconsciousness, cherry red lips and finger nail beds What should you do for a diver suspected of breathing contaminated air? - correct answer give them fresh air and administer oxygen if available; in severe cases, rescue breathing may be necessary